K-On! and Angel Beats! Seiyuus Pave the Way to Oricon Success

Inside AX: "While Yui Hirasawa, Ritsu Tainaka, Iwasawa and Yui can all be considered successful musicians, there is a certain something that sets these girls apart from all the rest of the J-rock and J-pop groups out there. What is it you ask? The fact that their songs are sung by the character’s seiyuus, or voice actors/actresses."